<div dir="ltr">Micheal<div><br></div><div>If the airbox is not an original and aftermarket then the thread could be metric.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 3 Feb 2021 at 05:35, Michael MacLean <<a href="mailto:rrengineer.mike@att.net">rrengineer.mike@att.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Can someone tell me what size thread is used to bolt the cold air box to the HS6 carbs on my BN2?  I tried 5/16" UNF and BSF.  Neither fit.  They both start to thread in, but stop after less than a turn.<div id="gmail-m_-8023652666549652511yMail_cursorElementTracker_1612330102209">Mike MacLean<br><br><div id="gmail-m_-8023652666549652511ymail_android_signature"><a id="gmail-m_-8023652666549652511ymail_android_signature_link" href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature" target="_blank">Sent from AT&T Yahoo Mail on Android</a></div></div>_______________________________________________<br>
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